2003 MERCEDES-BENZ E320 4MATIC WAGON AUX

143 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Cassette mode
Note:
Vehicles equipped with the COMAND system do not
come with a factory installed cassette mechanism.
A standard 1/8” stereo phono plug for auxiliary audio
input (located in glove box) is provided for connection of
a portable battery operated cassette player or any other
portable device which uses a headphone output. Please
refer to the COMAND operating manual for information
concerning the activation of the audio input.Playing cassettes
Press the “TAPE” button. When the eject (EJ) key is
pressed, the display folds down and the cassette slot
becomes visible. Push the cassette into the slot until it
engages. The cassette will be pulled in automatically.
Notes:
Do not press directly on the radio display face.
Return the display panel to its normal position by
folding it back up and pressing gently on the display
frame to lock in place.
When playing mono recorded tapes (e.g. books) through
a stereo system the sound from one track might bleed to
the other track, despite setting the balance to the full
left or full right speakers.

241 Check regularly and before a long trip
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Check regularly and before a long trip
E 320 shown1Windshield washer system
For refilling reservoir see page 276.
2Headlamp cleaning system
Auxiliary tank connected to windshield washer
reservoir. Open filler caps on both reservoirs during
refilling.
3Coolant level
See “Adding coolant”, page 275.
4Engine oil level
See “Checking engine oil level”, page 273.
5Brake fluid
See “Brake fluid”, page 330.
Opening hood, see page 270.
Ve h i c l e l i g h t i n g : Check function and cleanliness. For
replacement of light bulbs, see “Exterior lamps” on
page 297.
Exterior lamp switch, see page 119.
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4
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258 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
LIGHTING SYSTEMWhen the message appears after starting the engine, or
if it come on while driving, this indicates a failure in the
parking lamp, taillamp, stop lamp, or low beam
headlamp. See page 297 for instructions on replacing
bulbs.
If an exterior lamp fails, the message will appear only
when that lamp is switched on.
If a brake lamp fails, the message will appear when
applying the brake and stays on until the engine is
turned off.
Note:
If additional lighting is installed (e.g. auxiliary
headlamps etc.) be certain to connect into the fuse
before the failure indicator monitoring unit order to
avoid damaging the system.
Line 1 Line 2
LAMP DEFECTIVE CHECK LAMPS!
DISPLAY DEFECTIVE VISIT WORKSHOP!

268 Fuses
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
2Lock for auxiliary fuse box and battery cover
3Fuse box and battery cover4Auxiliary fuse box below right rear bench seat
To gain access, fold seat cushion forward. Rotate lock (2)
counterclockwise and remove cover.
Note:
When reinstalling cover (3) make certain that tabs
(arrows) are inserted.
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P54.15-2128-26

269 Fuses
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index 5Auxiliary fuse box to left of exterior lamp switch
To again access, open door, pry off cover and
remove.Electrical outlet
The electrical outlet is located in the rear compartment
on the left side.
To gain access, flip cover up. If locked, first unlock by
inserting for instance a small coin and turning it to the
left.
Note:
The cover is lockable by inserting, for instance a small
coin and turning it to the right.
Maximum capacity: 180 W.
5
P82.00-2029-26

276 Engine compartment
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Windshield and headlamp washer system
E 320 shown
1Windshield washer fluid reservoir
Capacity approximately 5.8 US qt (5.5 l)
2Headlamp cleaning fluid reservoir
Auxiliary tank connected to windshield washer
reservoir. Open filler caps on both reservoirs during
refilling.
Capacity approximately 1.9 US qt (1.8 l)Windshield and headlamp washer fluid mixing ratio
For temperatures above freezing:
MB Windshield Washer Concentrate “S” and water.
1 part “S” to 100 parts water
(40 ml “S” to 1 gallon water).
For temperature below freezing:
MB Windshield Washer Concentrate “S” and
commercially available premixed windshield washer
solvent / antifreeze.
1 part “S” to 100 parts solvent
(40 ml “S” to 1 gallon solvent).
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